February 3, 2026
Description
Never go unheard in an emergency.
This high-performance survival whistle is engineered to produce a piercing 135dB signal, making it one of the loudest 3D-printable whistles available. Designed with a compact, rugged profile, it features a built-in "SOS" embossed grip and a reinforced lanyard/keychain hole for everyday carry
License:
Standard Digital File License